Hose-coupling.



B J. HAMOLIJ.

HOSE 000mm APPLICATION FILED MAK;10,19 06 Patented Oct. 12, 1909.

2 SHEETS-BHHBT 1.

m IE A. fEayguzq/e/ E. J. HANNOLD.

HOSE COUPLING. 7

APPLICATION FILED MAR. 10, 1900.

Patented Oct. 12, 1909.

2 SHEETS-SHEET 2 r r \I UN is W? UNITED STATEol PATENT OFFICE.

ED J. HANNOLD, OF ST. LOUIS, MISSOURI. ASSIGNOB, BY MESNE ASSIGNMENTS, T0

C. M. CLAY.

HOSE-COUPLING.

Specification of Letters Patent.

Patent-ed Oct. 12, 1909.

Application filed March 10, 1906. Serial No. 305,358.

To all whom it may concern:

Be it known that I, ED J. HAxNoLn, a citizen of the United States, and resident of St. Louis, Missouri, have invented certain new and useful Improvements in Hose-Couplings, of which the following is a specification. containing a ,full, clear, and exact description,-reference being had to the accompanying drawings, forming a part hereof.

)Iy' invention relates enerally to hose couplings, andmore particularly to a pipe and hose coupling that is located between a locomotive and tender.

The articular object of my invention is to provide a simple coupling which may be very readily coupled or uncoupled, and

' which when coupled will-form a very tight joint to prevent leaka e.

A further ob'ect 0 my invention is to provide a con lin of the class described with means wii coupling are positively locked together while in use so as to guard againstacci dental uncoupling.

A further. object of my invention is to provide means for taking up the wear of the gasket in the coupling in order to always maintain a tight joint between the arts of the coupling, which arrangement is made possible by utilizing the gravity of one of the parts of the coupling and the flexible hose to which it is attached and which leads to the tender.

A further object of myinvention is to construct a hose coupling wherein the contactin metal faces are reduced to a minimum in order to minimize the friction be.-

tween the parts of the coupling, and also to lessen the tendency of the two parts to adhere to other by the formation of rust between t 1e contacting faces.

A further object of my invention is to arrange a clearance space between the two sections of the coupling in'order to accommodate the wear upon the gasket carried by one of the sections and also to provide for the differences of expansion and contraction of the two sectionsowing to the normal differences of temperatures in the two parts.

- further object of my invention is to provide a coupling with a strainer which is 4 normally held in a detached )osition within the coupling, and which may e forced backwardly and forwardly bywater or steam coup ere y the two parts of the pressure to dislodge any impurities that ma v adhere to the strainer.

To the above purposes, my invention consists of certain novel features of construction and arrangement of parts which will he hereinafter more fully set forth, pointed out in my claims and illustrated in the accompanying drawings, in which Figure 1 is a side elevation of my improved cou ling in position for use u )011 the end of the lose leading from the tender,- and the end of the injector pipe that is carried by the locomotive; Fig. ,2 is a perspective view of the female section'of the coupling.

and which'is carried by the end of the flexible hose leading from the tender; Fig. 3 is a pers ective view of the male section of the ing,'and which is rigidly fixed on the lower end of the injector pi c; Fig. 4 is a vertical section taken longitu ina'lly through the center of my improved coupling; Fig. 5 is a horizontal section taken on the line of Fig. 4.

In the construction of my improvedcouplin the male section comprises avertical y disposed rectangular block 1, through which is formed a horizontally extending circular aperture 2(and integral with and projecting rearwardly from the block 1 is a. collar 3,'which is interiorly screw threaded, and which is screw seated upon the horizontally bent lower end of the metallic pipe 4 that leads up to the in'ector located upon the locomotive and which forces water into the locomotive boiler. The lower end of this injector fpipe is rigidly held in position by means 0 a suitable bracket 5, and the male portion of the coupling is locked in position on the end of the injector pipe by a set screw 6, which passes through the side of the collar 3 and bears upon. the threaded end of said pipe. i

Formed integral with the sides of the block 1 and at the front edges thereof are the vertically disposed projections T, the rear sides of which are inclined so that. said projections taper gradually from their lower ends to their upper ends, and said rear faces in addition to being inclined are curved outwardly in crossscction. as indicated by and at the point where said rear faces oin with the side faces of th" block 1 there are formed vertically extending OTOOYQS 9, which form rust spaces. Former integral with the side faces of the blot-it 1 adjacent the rear ends thereof are the vertically extending ribs 10. Formed in the front face of the block 1 and the front faces of the pro ections T is an undercut groove 11. which is concentric with the opening 2. and removably positioned in said groove is a gasket; 12. of rubber. or analag ous material. round in cross section. and said groove being of such depth as that amn'oximatelv onethird of this gasket projects lJt. \-'t'llltl the face of the block 1 and projections T. integral with the center of the top of the block 1 is an upwardly projecting lug 12-3 having an inclined front face it. and passing! through a horizontall t' arranged aperture in said lug is a set screw 15. the forward end to of which is pointed, and is adapted when the set screw is moved forward to project hevond thefront face of the block].

17 designa tea a eonical perforated strainer, which is rovided at its large end with an annular flEngefiS. which is of such size as to slide through the opening and said strainer is so arranged in the male portionof the con fling as that its point projects into the ends of the injector pipe The female section of the coupling eonr prisesa vertieally disposed plate 19. in the center: of which is formed an opening 2t). and integral with the rear side of said plate is an outwardly projecting collar 21. which is slightly larger at its outer end than at. its inner end, and there being an annular rib 22 formed on the extreme outer end pf said collar.

Integral with the sides of the plate 19 are the forwardly projecting flanges 23.. and the space between said flanges being slightly greater than is the distance between the outside faces of the projertions 7. Integral with the front edges of the flanges 2 3 are the vertically disposed ribs Q-Lwhich project inwardly toward one a amber. and said ribs taper slightly from their upper ends toward their lower ends. The rear faces "5 of these ribs are curved outwardly in cross section in opposition to the curved faces 8 on the projections T. and formed in the corners where these curved faces 25 join with the inside faces of the flanges 23 are vertically disposed rust grooves 26. The space between the inner faces of the ribs :24 is slightly greater than the distance between the outer faces of the vertically disposed ribs 10 on the sides of the. block 1. The lower edge at the front: face of the plate 1!! is rounded off. as indicated by 27. The end of the hose 28 from thewater'tank on the locomotive tender is slipped over the e|llarged outer end of the 001 ll 21, and is held clamped thereon by a, strap 29 \Vhen the parts of my improved coupl ng 'fl,1 in position upon the hose 2S and theinjector pipe 5, andit is desir'ed to unite they l l l 1 lions T.

thecoupling is much part of the coupling. the set screw 15 is moved rcarwardlv in the lug 13 until its point pa to'the front face of the block l. The female portion of the couplivn; is now elevated to a point above the male portion. with the flanges 2+ to the rear of the projec The female portion is now allowed to drop h v gravity. and is guided so that the front fare of the plate 15] passes down wardlv until it bears upon the projecting portion of the gasket 1'2. In so doing. the curved faces 2? of the ribs :24 bear upon the oppositely curved faces 8 on the rear sides of the p'rojectit-ins T. and the inner faces of the ribs .34- hear against the outer faces of the ribs 10. U

()win; to the inclination of the curved faces 8 and 25. the plate, 19 will gradually he brought (-loser to the fare of the block 1. and this action. combined with the weight of the female portion of the coupling and the weight of the forward end of the tiexiblc hose 2h will compress the gasket to a cerlain extent and. therefore. a ery tight oint is provided between the two [)lll'l. ot'

the coupling which ver v el'l'eet-uallv prevents the leakage of water passing through the coupling. After-the female portion of the coupling has been properly )ositioncd. the set wrew I5 is moved for-ward v through the lug" 13 until its point 11; overhangs tintop edge of the plate I". and. when so ])(l.\ltinned. said set screw will lock the female portion of thecoupling against accidental witlulrawal. and vet said female portion is allowed vertical play. and it may at all times hear down ardly ielative to the male por tion of the coupling to compress the gaaket. or to follow the wear onsaid gasket. and at all times maintaina perfect joint.

The only parts of the metal of the two sew tions of the coupling that engage are povtions of the curved faces 3' and '35. and portions of the inner faces of the ribs 14 and the ribs 10. and thus the friction of the matiu; metallic faces is reduced to a minimum. and sulliciem clearance between the remaini|n faces of the adjacent parts i.- maintained to allow for rust. which would otherwise tend to cause the parts of the coupling to adheritogether and prevent their heiu; readily eparatml. 'lhia clearance al.--o |)l'u\itlt':- for .the unequal expansion and contract ion of the two part of the winding. owin lo the variations of the temperatures: of the two ditl'erent parts. as. for instaueeathc injeetor pipe 4 and the male portion of the coupllngcarried thereby are normally of a higher temperature than the. female portion of the mupling. and. llItt'e' fore. the expansion on the male portio of female portion.

The water in passing fromthe tender to the ltwomot ve bo ler normally maintains greater than upon the' lift) lines in Fig. 4.) and thu's has a tendency to dislodge any accumulation that may have lodged upon said strainer.

The female portion of the coupling is free to move downwardly until the upper end of the plate 19 is in alinemcnt with the center of the top of the gasket 12. (as seen by dotted lines in Fig. 4.) and at the same,

time a water tight joint'is maintained be tween said gasket and the female section. The gasket may readily be renewed when it becomes worn, and should any expansion and contraction take place in'said gasket,

the ravi y of the female portion of the coupling will follow said expansion as it is free to move upwardly and downwardly.yet held against moving too far upwardly by the set screw 15. By providmg the under cut groove 11. the gasket 12 will maintain' its position in said groove. and said gasket can not be easily dislodged when the parts of'the coupling are separated and said gaskct is struck by an object. I

A coupling of my improved construction is easily ap )lied fonuse. is easily coupled and uncoupled. and possesses stnerior advantages in point of simplicity. urability, and general efficiency.

1. A hose coupling. comprising a rigidly held member. a gravity member. interlocking flanges formed integral with said niemhers. there being a clearance space between the adjacent faces of said. flanges. a gasket interposed between the members. and an adjustable member carried by the rigidly held member in a plane above the top of the.

gravity member to prevent the accidental dislodgmcnt of said gravity member.

2. hose coupling. comprising t'wo interlocking members. a compressible gasket partially embedded in the f members. and the. interlocking portions of the two members being so constructed as that thcgravity of one of the members is utilized to maintain the face thereof in contact with the a ket. and a set screw )assin through the rigid member in a plane above -,thc top of the gravity member to prevent the meeting faces ofsaid members: substautially asspccified.

4. A hose coupling. comprising a. pair of ace of one of the members, interlocking flanges formed on said members. there being a clearance space between said flanges, there being a clearance space bctween the adjacent front faces of said members; and a set screw passing trans 'yersely through one of the members -in a plane above the top 0f the opposite member;

substantially as specified.

In a hose coupling, constructed with a pair of members. interlocking flanges formed on said members. there being a clearance spzuebetween said flanges. and engaging ribs formed on said flanges; substantially as specified.

6. In a hose coupling. constructed with a pair of members. interlocking flanges formed on said members. there being a clearance space between said flanges. engaging ribs formed on said flanges, and a set screw passing transversely through one of the. members in a plane above the top of the opposite member: substantially as specified.

7.'.\ hose coupling. constructed with a pair of members. interlocking flanges formed on the sides of said members. the engaging faces of which flanges are oppositely curved transversely and similarly inclined longitudinally. there behi'g clearance spaces formed between the adjacent faces of the flanges. a gasket interposed between the adjacent faces of the members and a set screw passing transversely throngh'one of the members in a plane above the top of the opposite member. 8. A hose coupling. constructed with a pair of membrsynterlocking flanges formed on said members. and the engaging faces of which flanges areoppositely curved transversely. and similarly inclined longitudinally; substantially as specified.

9. In a hose coupling. a pair of tubular members, interlocking flanges formed integral with the sides of said members. the engaging faces of which fla'iiges are similarlyinclined longitudinally and oppositely curved transversely. and a compressible gasket carried by and projecting from the face 'gaging faces of which flanges are similarly inclined longitudinally and o )positely curved transversely. a compressible gasket carried by and projecting from the face of one of the members. am] a set screw passing transversely through one of the members in a plane above the top of the opposite melnher: substantially as specified.

It. In a hose coupling. a pair of tubular members. interlocking. flanges: formed intogral with the sides of said members. the engaging faces of wluch flanges are sumlarly inclined longitudmally and oppositely unwed l'l':ll|$\'(l i0i a L'UIHPI'OS ibiC gaskei married by and prujeeliug' from Hie fare 0i one nf [he lliLilii'Ul'fi. :1 e1 screw passing transversely through one of the members in a plane above the top of Hie opposite memher. and :l conical strainer arranged to slide in one of the tubular members: subsfulitialh as specified.

1;. 1nhose coupling. a pair of tubular members. interim-king flanges formed integm] with the sides of said members. the. en-

' gaging faves 01' wish-1| flanges are simi i i i 

